I have finished my homework now.这句话错吗?若对,是何时态?now不是现在进行时的标志吗？为何要用完成时？

I have finished my homework.反义疑问句 I will finish my work tomorrow .I will h finishedI will finish my work tomorrow .I will have finished my work tomorrow.那个对? I have already finished my homework.(变否定句) I _____ finished my homework ______. I have finished my homework.和“I finished my homework.有区别吗? I have finished my homework.可否这么说 I finished my homework.为什么 i have finished my homework,为什麼不i had? I have finished my homework before I ______(leave). I have finished my home WORK .对 finished my home WORK.进行提问?该怎么说 I have finished my school work already 改为一般疑问句 I have a ( ) finished my work如题,填空. I have finished my homework.变被动语态 I have finished my homework this morning.改为否定句 I have just finished my homework.（变为疑问句） I have already finished my homework(改为否定句） I have finished packing my suitcase finished pack 为什么是doing? 32、I have finished my homework,Mom.May I st32、I have finished my homework,Mom.May I stop ________ (have) a rest? I ---all my homework by the time you --back A will have finished ;come B will finish；come C will h 初二现在完成时一问一答的句子 如：have you finished your homework?yes.I have finished my homework